20973315

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1609}}^1$

素因数の和:1707

約数の個数: 32

約数和(自身を含む): 37094400

約数和(自身を除く): 16121085

約数列:

[1, 3, 5, 11, 15, 33, 55, 79, 165, 237, 395, 869, 1185, 1609, 2607, 4345, 4827, 8045, 13035, 17699, 24135, 53097, 88495, 127111, 265485, 381333, 635555, 1398221, 1906665, 4194663, 6991105, 20973315]

約数ペア:

[(1, 20973315), (3, 6991105), (5, 4194663), (11, 1906665), (15, 1398221), (33, 635555), (55, 381333), (79, 265485), (165, 127111), (237, 88495), (395, 53097), (869, 24135), (1185, 17699), (1609, 13035), (2607, 8045), (4345, 4827)]